:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --panel-soft: rgba(255, 255, 255, 0.78);
  --border: rgba(148, 163, 184, 0.28);
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --good: #16a34a;
  --warn: #d97706;
  --shadow: 0 12px 32px rgba(59, 130, 246, 0.08);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(59, 130, 246, 0.12), transparent 34%),
    radial-gradient(circle at 88% 0%, rgba(99, 102, 241, 0.1), transparent 28%),
    var(--bg);
  color: var(--text);
}

.demo-badge,
.demo-back {
  position: fixed;
  z-index: 20;
  font-size: 11px;
  font-weight: 700;
}

.demo-badge {
  top: 10px;
  left: 10px;
  padding: 5px 10px;
  border-radius: 8px;
  background: #0f172a;
  color: #f8fafc;
}

.demo-back {
  top: 10px;
  right: 10px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow);
}

.shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 20px 40px;
}

.page-head {
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6366f1;
}

.title {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #1e3a8a;
}

.lead {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

.pulse {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 18px 0 16px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  backdrop-filter: blur(10px);
  font-size: 13px;
  color: #334155;
}

.pulse strong {
  color: #1e3a8a;
  font-variant-numeric: tabular-nums;
}

.pulse-sep {
  color: #cbd5e1;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.widget {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.75);
  background: var(--panel-soft);
  backdrop-filter: blur(10px);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    var(--shadow);
}

.widget--wide {
  grid-column: 1 / -1;
}

.widget-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.widget-title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
}

.widget-note {
  margin: 4px 0 0;
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
}

.widget-badge {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: #f1f5f9;
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  font-variant-numeric: tabular-nums;
}

.widget-badge--warn {
  background: #fff7ed;
  color: #c2410c;
}

.widget-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.widget-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  font-size: 13px;
  line-height: 1.4;
  color: #334155;
}

.widget-item button {
  border: 0;
  background: transparent;
  padding: 0;
  margin: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.widget-item button:hover {
  color: var(--accent);
}

.widget-check {
  width: 14px;
  height: 14px;
  margin-top: 2px;
  border-radius: 4px;
  border: 1.5px solid #cbd5e1;
  flex-shrink: 0;
}

.widget-meta {
  font-size: 11px;
  color: #94a3b8;
  white-space: nowrap;
}

.widget-foot {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(226, 232, 240, 0.9);
}

.widget-link {
  border: 0;
  background: transparent;
  padding: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  cursor: pointer;
}

.widget-link:hover {
  text-decoration: underline;
}

.focus-dot {
  width: 8px;
  height: 8px;
  margin-top: 5px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.note-excerpt {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: #475569;
}

.topics {
  margin-top: 16px;
}

.topics-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: #475569;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.topic-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.topic-card:hover {
  border-color: #bfdbfe;
  transform: translateY(-1px);
}

.topic-emoji {
  font-size: 18px;
}

.topic-name {
  font-size: 13px;
  font-weight: 700;
  color: #0f172a;
}

.topic-path {
  font-size: 11px;
  color: #94a3b8;
}

.config-panel {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px dashed rgba(99, 102, 241, 0.35);
  background: rgba(238, 242, 255, 0.55);
}

.config-title {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #4338ca;
}

.config-pre {
  margin: 0;
  padding: 12px;
  border-radius: 10px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  padding: 10px 16px;
  border-radius: 8px;
  background: #0f172a;
  color: #fff;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 30;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 760px) {
  .grid,
  .topics-grid {
    grid-template-columns: 1fr;
  }
}